@-webkit-keyframes fadeinout {
  0% { opacity: .5; }
  50% { opacity: .5; }
  100% { opacity: 0; }
}

@keyframes fadeinout {
  0% { opacity: .5; }
  50% { opacity: .5; }
  100% { opacity: 0; }
}

.elementToFadeInAndOut {
    -webkit-animation: fadeinout 4s linear forwards;
    animation: fadeinout 4s linear forwards;
}
//点击反馈效果
.tapped{
	//background: -webkit-linear-gradient(top, rgba(0,0,0,0.3) 0%,rgba(0,0,0,0.1) 100%);
	-webkit-mask-image:  -webkit-linear-gradient(top, rgba(0,0,0,0.3) 0%,rgba(0,0,0,0.3) 100%);
}
